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| author | YamaArashi <shadow962@live.com> | 2016-01-06 01:47:28 -0800 |
|---|---|---|
| committer | YamaArashi <shadow962@live.com> | 2016-01-06 01:47:28 -0800 |
| commit | be8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch) | |
| tree | 726e2468c0c07add773c0dbd86ab6386844259ae /gcc/move-if-change | |
initial commit
Diffstat (limited to 'gcc/move-if-change')
| -rwxr-xr-x | gcc/move-if-change | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/move-if-change b/gcc/move-if-change new file mode 100755 index 0000000..66d8b8a --- /dev/null +++ b/gcc/move-if-change @@ -0,0 +1,17 @@ +#!/bin/sh +# Like mv $1 $2, but if the files are the same, just delete $1. +# Status is 0 if $2 is changed, 1 otherwise. +if +test -r $2 +then +if +cmp -s $1 $2 +then +echo $2 is unchanged +rm -f $1 +else +mv -f $1 $2 +fi +else +mv -f $1 $2 +fi |